1 26 26 triangle

Acute isosceles triangle.

Sides: a = 1   b = 26   c = 26

Area: T = 12.99875959316
Perimeter: p = 53
Semiperimeter: s = 26.5

Angle ∠ A = α = 2.20438196787° = 2°12'14″ = 0.03884639095 rad
Angle ∠ B = β = 88.89880901607° = 88°53'53″ = 1.5521564372 rad
Angle ∠ C = γ = 88.89880901607° = 88°53'53″ = 1.5521564372 rad

Height: ha = 25.99551918631
Height: hb = 10.9998150717
Height: hc = 10.9998150717

Median: ma = 25.99551918631
Median: mb = 13.01992165663
Median: mc = 13.01992165663

Inradius: r = 0.49904753182
Circumradius: R = 13.00224045131

Vertex coordinates: A[26; 0] B[0; 0] C[0.01992307692; 10.9998150717]
Centroid: CG[8.67330769231; 0.33332716906]
Coordinates of the circumscribed circle: U[13; 0.25500462406]
Coordinates of the inscribed circle: I[0.5; 0.49904753182]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 177.7966180321° = 177°47'46″ = 0.03884639095 rad
∠ B' = β' = 91.10219098393° = 91°6'7″ = 1.5521564372 rad
∠ C' = γ' = 91.10219098393° = 91°6'7″ = 1.5521564372 rad

Calculate another triangle




How did we calculate this triangle?

Now we know the lengths of all three sides of the triangle and the triangle is uniquely determined. Next we calculate another its characteristics - same procedure as calculation of the triangle from the known three sides SSS.


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